#define _CRT_SECURE_NO_WARNINGS 1
#include<stdio.h>
struct S1
{
	int a;
	char b;
};
struct S2
{
	int a;
	char b;
	char c;
};
struct S3
{
	int a;
	char b;
	char c;
	char d;
};
int main()
{
	printf("%d", sizeof(struct S1));
	printf("%d", sizeof(struct S2));
	printf("%d", sizeof(struct S3));
	return 0;
}